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Diffusion-Weighted Imaging of White Matter Abnormalities in Patients with Phenylketonuria
AJNR 22:1583-1586, Phillips,M.D.,et al, 2001
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Article Abstract
Phenylketonuria (PKU) is an autosomal recessive disorder caused by a deficiency of the enzyme phenylalanine hydroxylase (EC 1.14.16.1). Affected patients develop elevated plasma and tissue levels of phenylalanine and its related ketoacids. Untreated patients usually exhibit severe mental retardation and poor motor function, with characteristic T2 white matter signal abnormalities on conventional MR images. In the present study, we performed diffusion-weighted imaging in three PKU patients. All three patients demonstrated significantly restricted diffusion in all white matter areas examined.
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aminoacidopathies
children
hypopigmentation of skin
inborn errors of metabolism
leukoencephalopathy
mental retardation
MRI
MRI,abnormal
MRI,diffusion weighted
MRI,FLAIR
phenylketonuria
phenylketonuria,adult onset
white matter disease
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